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16-08-2020
Mathematics

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What is the decibel level of a dog barking with intensity 10−5 watts per square inch? Use a logarithmic model to solve.

What is the decibel level of a dog barking with intensity 105 watts per square inch Use a logarithmic model to solve class=

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naikixtasy naikixtasy

07-12-2020

Answer:

70 dB

Step-by-step explanation:

D=10log(I10−12)

Substitute in the intensity level, I, and then simplify to find

DD=10log(10−510−12)=10log(107).

Since log107=7, simplify to find

DD=10⋅7=70.

The decibel level is 70dB.

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